Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8191369 | Turbo-charger surge detection | Stephen Geyer | 2012-06-05 |
| 7945376 | Engine and method of maintaining engine exhaust temperature | Stephen Geyer, Robert H. Gorman | 2011-05-17 |
| 7398773 | EGR recovery system and method | Stephen Geyer | 2008-07-15 |